2746397320

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{126913}}^1$

素因数の和:127465

約数の個数: 32

約数和(自身を含む): 6190864920

約数和(自身を除く): 3444467600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 10820, 21640, 126913, 253826, 507652, 634565, 1015304, 1269130, 2538260, 5076520, 68659933, 137319866, 274639732, 343299665, 549279464, 686599330, 1373198660, 2746397320]

約数ペア:

[(1, 2746397320), (2, 1373198660), (4, 686599330), (5, 549279464), (8, 343299665), (10, 274639732), (20, 137319866), (40, 68659933), (541, 5076520), (1082, 2538260), (2164, 1269130), (2705, 1015304), (4328, 634565), (5410, 507652), (10820, 253826), (21640, 126913)]